@charset "UTF-8";
/*-----------------------------------------------------
  Structure
----------------------------------------------------- */
#main { background: #fbfaf8;}
.head_area h3 { width: min(90%, 450px); }
.head_area p.cp { color: var(--main-font-color); }
.head_area {background:url("../img/structure/head.png") no-repeat;background-size:cover;background-position:center;margin-bottom: 60px;}
.pages .intro p.intro_ttl { font-size: clamp(18px, 4vw, 23px); line-height: 2; margin-bottom: clamp(15px, 3vw, 45px); }
.pages .intro p.intro_txt { font-size: clamp(13px, 3vw, 15px); line-height: 1.8; }
.pages .intro .intro_inner { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-bottom: 45px; }

p.txt12 { font-size: clamp(10px, .5vw, 12px); }
p.txt15 { font-size: clamp(10px, 3vw, 15px); }
h3 img {max-width:346px;}

.tab_box .btn_area { display: flex; gap: 30px; justify-content: center; margin: 0 auto 50px; flex-wrap: wrap; }
.tab_box .tab_btn { width: 120px; height: 120px; background: #B9B9B9; display: flex; align-items: center; justify-content: center; border-radius: 20px; font-size:clamp(17px, 3vw, 22px); color: #fff; line-height: 1.3; transition: .5s; cursor: pointer; }
.tab_box .tab_btn:hover { background-color: #dce1e4; }
.tab_box .tab_btn.active { background: var(--mossgreen-color); color: #fff; }
.tab_box .tab_panel { display: none; }
.tab_box .tab_panel.active { display: block; }
.lead { display: flex; align-items: center; width: 100%; }
.lead_ttl { font-size: clamp(20px, 3vw, 25px); text-align: center; margin-bottom: clamp(30px, 5vw, 55px); }
.lead_ttl span { font-size: clamp(25px, 3vw, 35px); }
.lead_txt { font-size: clamp(13px, 3vw, 15px); text-align: center; margin-bottom: 80px; }
span.red { color: #e8494a; }
.lead_box { background: #fff; }
.lead_box .lead_box_inner { padding: clamp(30px, 4vw, 50px); box-sizing: border-box; }
.lead_box .lead_box_inner .contents_flex { display: grid; gap: 30px; grid-template-columns: 1fr 1fr; }
.lead_box .txt_wrap div:not(:last-child) { margin-bottom: 20px; }
.contents { padding: 60px 0; overflow: hidden; }
.contents p.ttl { font-size: clamp(18px, 3vw, 23px); line-height: 1.3; margin-bottom: 10px; font-feature-settings: "palt"; }
.contents p.ttl span.big { font-size: clamp(27px, 3vw, 34px); }
.contents p.txt { font-size: clamp(13px, 3vw, 15px); line-height: 1.6; }

/* Earthquake-resistant */
#Earthquake-resistant .contents { background: #fbfaf8; padding: 60px 0; overflow: hidden; margin-bottom: 120px; }
#Earthquake-resistant .earthquake-resistant_intro01 { margin-bottom: clamp(30px, 5vw, 55px); }
#Earthquake-resistant .earthquake-resistant_intro02 { margin-bottom: 30px; }
#Earthquake-resistant .bf_obi { background: #323232; width: 100%; padding: 30px 5%; display: flex; justify-content: center; align-items: center; box-sizing: border-box; }
#Earthquake-resistant .bf_obi picture { max-width: 457px; width: 100%; }
#Earthquake-resistant .contents.bf { background: #e4ede7; }
#Earthquake-resistant .bf .contents_flex { display: grid; gap: 30px; grid-template-columns: 1fr 1fr; margin-bottom: 60px; padding-bottom: 60px; border-bottom: 1px solid #323232; }
/*#Earthquake-resistant .bf .contents_flex > div { width: 48%; }*/
#Earthquake-resistant .bf .contents_flex .column { display: flex; flex-direction: column; }
#Earthquake-resistant .bf .contents_flex .column picture { margin-top: auto; }
#Earthquake-resistant .bf .sec03.contents_flex { flex-direction: row-reverse; }
#Earthquake-resistant .bf .sec04 .contents_flex { margin-bottom: 30px; padding-bottom: 0; border-bottom: none; flex-direction: row-reverse; }
#Earthquake-resistant .bf .sec04 .bf_sec04_img { margin-bottom: 20px; }

/* Fire-resistance */
#Fire-resistance .lead_box { margin-bottom: 50px; }
#Fire-resistance .lead_box .contents_flex { border-bottom: 1px solid #323232; margin-bottom: 60px; padding-bottom: 60px; }
#Fire-resistance .lead_box .contents_flex:nth-child(even) { flex-direction: row-reverse; border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
#Fire-resistance .contents_flex { display: flex; justify-content: space-between; }
#Fire-resistance .contents_flex > div { width: 48%; }
#Fire-resistance .contents_flex > div .cp { margin-top: 10px; }
#Fire-resistance .sec02 .head_border { padding: 15px 25px; border-top: 1px solid #3c3c3c; border-bottom: 1px solid #3c3c3c; font-size: clamp(18px, 3vw, 25px); margin-bottom: 50px; }
#Fire-resistance .sec02 .contents_flex { display: flex; justify-content: space-between; }
#Fire-resistance .sec02 { margin-bottom: 50px; }
#Fire-resistance .sec03_ttl { text-align: center; color: #fff; background: #716864; padding: 5px; box-sizing: border-box; margin-bottom: clamp(15px, 3vw, 35px); font-size: clamp(1.125rem, 1.063rem + 0.31vw, 1.375rem); letter-spacing: .2em; }
#Fire-resistance .sansyutu { padding: 30px 40px; background: #fff; margin-top: 20px; }
#Fire-resistance .sansyutu p.sansyutu_ttl { font-size: clamp(16px, 3vw, 20px); text-align: center; margin-bottom: clamp(15px, 3vw, 10px); border-bottom: 1px solid #3c3c3c; padding-bottom: 5px; }
#Fire-resistance .sansyutu .sansyutu_flex { display: grid; grid-template-columns: 1fr 1fr; justify-content: space-between; margin-bottom: 20px; gap: 20px; }
#Fire-resistance .sansyutu .column1 { margin-bottom: 20px; }
#Fire-resistance .sansyutu p.cp { font-size: clamp(10px, 3vw, 12px); font-family: var(--gothic-font); }
#Fire-resistance .sansyutu p.sansyutu_subttl { font-size: clamp(16px, 3vw, 20px); margin-bottom: 5px; }
#Fire-resistance .sansyutu p.sansyutu_subtxt { font-size: clamp(13px, 3vw, 15px); font-family: var(--gothic-font);}
#Fire-resistance .sansyutu p.annotation { font-size: clamp(0.625rem, 0.594rem + 0.16vw, 0.75rem); font-family: var(--gothic-font); margin-top: 30px; }
#Fire-resistance .sec02 .contents_flex picture { margin-bottom: 10px; }

/* Durability */
#Durability .lead_ttl { margin-bottom: 0; }
#Durability .ls30_wrapper { background: #fbfaf8; padding: 0 0 60px; margin-bottom: clamp(10px, 3vw, 50px); }
#Durability .ls30 { background: #e4ede7; padding: 50px 0; }
#Durability .ls30 .durability_intro { max-width: 730px; margin: 0 auto 30px; }
#Durability .ls30 p.txt { text-align: center; font-size: clamp(16px, 1.5vw, 26px); }
.contents_whitebox_wrapper { padding: 60px 0 0; }
.contents_whitebox_wrapper .ttl { text-align: center; font-size: clamp(16px, 1.5vw, 23px); line-height: 1.8; margin-bottom: 60px; }
.contents_whitebox { background: rgba(255, 255, 255, 0.8); padding: 30px; box-sizing: border-box; }
.contents_whitebox.ari p.txt { font-size: clamp(16px, 1.5vw, 20px) }
.contens_ttl_flex { display: flex; align-items: center; gap: clamp(15px, 3vw, 30px); margin-bottom: clamp(20px, 3vw, 30px); }
.contens_ttl_flex img { max-width: 140px; }
.contens_ttl_flex p.contens_ttl { font-size: clamp(21px, 5vw, 35px); font-feature-settings: "palt"; }
#Durability .yane { margin-bottom: 60px; }
#Durability .contents_inner_flex { display: flex; justify-content: space-between; gap: 10px; }
#Durability .contents_inner_flex .durability_yane_ls30 { max-width: 80px; }
#Durability .durability_yane_img p { font-size: clamp(20px, 3vw, 30px); margin-bottom: 10px; }
#Durability .durability_yane_img picture { max-width: 435px; width: 100%; }
#Durability .contents_inner_flex .txt_wrap { max-width: 285px; width: 100%; }
#Durability .contents_inner_flex .ttl { text-align: left; margin-bottom: 20px; }
#Durability .durability_ari_img { margin-bottom: 20px; }
#Durability .durability_ari_img picture { margin-bottom: 10px; }

/* Thermal */
#Thermal .intro_flex { display: flex; justify-content: center; gap: 40px; margin-bottom: 65px; }
#Thermal .intro_flex picture { max-width: 425px; width: 100%; }
#Thermal .intro_flex p.ttl { font-size: clamp(20px, 3vw, 27px); }
#Thermal .intro_flex p.ttl span { font-size:clamp(27px, 3vw, 40px); }
#Thermal .intro_flex p.txt20 { font-size: clamp(16px, 3vw, 20px); }
#Thermal picture.thermal_main_ttl { max-width: 445px; margin: 0 auto 60px; }
#Thermal picture.thermal_main { width: 100vw; margin: 0 calc(50% - 50vw); }
#Thermal picture.thermal_sec_ttl { max-width: 750px; margin: 0 auto 40px; }
#Thermal .sec { max-width: 900px; width: 100%; margin: 0 auto 65px; background: rgba(255, 255, 255, 0.8); }
#Thermal .sec:last-child { margin-bottom: 0; }
#Thermal .sec_inner { max-width: 800px; padding: 50px; }
#Thermal .sec.sec01 .sec_inner { padding-bottom: 20px; }
#Thermal .sec_ttl { display: flex; align-items: stretch; margin-bottom: 25px; }
#Thermal .sec_ttl p.num { font-size: clamp(20px, 3vw, 60px); background: var(--mossgreen-color); text-align: center; width: 95px; height: 95px; color: #fff; display: flex; align-items: center; justify-content: center;border-radius: clamp(5px, 2vw, 20px) 0 0 clamp(5px, 2vw, 20px); }
#Thermal .sec_ttl p.ttl { font-size: clamp(18px, 3vw, 32px); background: #dfe9e3; color: #3c3c3c; margin-bottom: 0; width: 100%; display: flex; align-items: center; padding-left: 30px; box-sizing: border-box; border-radius: 0 clamp(5px, 2vw, 20px) clamp(5px, 2vw, 20px) 0; }
#Thermal .sec .sec_txt { font-size: clamp(16px, 3vw, 23px); margin-bottom: 5px; }
#Thermal .sec picture.thermal_sec03_img01 { margin-bottom: 50px; }
#Thermal .bg_color { background: #dfe9e3; width: 100vw; margin: 0 calc(50% - 50vw) 70px; padding: 70px 5%; box-sizing: border-box; }
#Thermal .sec02 picture { margin-top: 20px; }
#Thermal .sec04 { max-width: 900px; margin: 0 auto; }
#Thermal .sec04 article:not(:last-child) { margin-bottom: 50px; }
#Thermal .sec04 .sec04_ttl { font-size: clamp(24px, 3vw, 35px); margin-bottom: 30px; }
#Thermal .sec04 .txt20 { margin-bottom: 40px; font-size: clamp(14px, 3vw, 20px); }
#Thermal .sec04 picture.thermal_sec04_img01 { margin-bottom: 40px; }
#Thermal .sec04 .features { display: flex; gap: 10px; justify-content: space-between; }
#Thermal .sec04 .features_box { width: calc(90% / 3); position: relative; }
#Thermal .sec04 .features_box:not(:last-child)::after { content: ''; width: 4px; height: 100%; position: absolute; top: 0; right: -9%; background-image: radial-gradient(circle, #666 2px, transparent 2px); background-repeat: repeat-y; background-size: 4px 12px; }
#Thermal .sec04 .features_box .features_icon { max-width: 105px; margin: 0 auto 10px; }
#Thermal .sec04 p.features_ttl { font-size:clamp(18px, 3vw, 23px); margin-bottom: 10px; font-feature-settings: "palt"; }
#Thermal .contents { padding-bottom: clamp(40px, 3vw, 120px); }

/* 60-Years Guarantee */
#Years60 .contents { background: #f0f0ea; padding: clamp(40px, 3vw, 60px) 0 clamp(40px, 15vw, 180px); overflow: hidden; }
#Years60 .contents .txt20 { font-size: clamp(16px, 3vw, 20px); }
#Years60 .contents .subtxt { font-size: clamp(13px, 3vw, 15px); margin-bottom: 10px; }
#Years60 .contents_whitebox_wrapper { padding-top: 0; }
#Years60 .contents_whitebox { margin-bottom: clamp(60px, 10vw, 130px); }
#Years60 .years60_hosyo_img { margin: 40px 0 20px; }
#Years60 .after_service_img { max-width: 270px; width: 100%; margin: 0 auto 30px; }
#Years60 .obi { text-align: center; color: #fff; background:#79a389; padding: 15px; box-sizing: border-box; font-size: clamp(18px, 3vw, 24px); margin-bottom: 25px; line-height: 1; }
#Years60 p.af_txt01 { text-align: center; font-size: clamp(24px, 3vw, 35px); margin-bottom: 25px; line-height: 1; }
#Years60 p.af_txt02 { text-align: center; }
#Years60 .years60_af { margin: 35px 0; }

/*　600pxからレスポンシブ*/
@media only screen and (max-width: 600px){
	p.txt12 { margin-bottom: 10px; }
  .head_area { background: url(../img/structure/head_sp.png) no-repeat; background-size: cover; background-position: center; }
  .pages .intro p.intro_ttl { line-height: 1.7; }
  .pages .intro p.intro_txt { line-height: 1.6; }
  .pages .intro .intro_inner { grid-template-columns: 1fr; }
  
	.tab_box .tab_btn { width: 88px; height: 88px; }
	.tab_box .btn_area { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 16px; width: 90%; margin: 0 auto 30px; }
  
	#Fire-resistance p.sec_ttl, #Fire-resistance p.sec_txt { margin-bottom: 10px; }
	#Earthquake-resistant .contents { padding: 40px 0; margin-bottom: 0; }
	#Earthquake-resistant .contents.bf { margin-bottom: 100px; }
	.lead_txt { margin-bottom: 25px; }
	.lead_box .lead_box_inner .contents_flex { grid-template-columns: 1fr; }
	.lead_box .lead_box_inner { padding: 20px; }
	.contents { padding: 40px 0; margin-bottom: 0; }
	#Fire-resistance .lead_ttl { margin-bottom: 30px; }
	#Fire-resistance .lead_txt { margin-bottom: 25px; }
	#Fire-resistance .contents { padding: 40px 0; margin-bottom: 50px; }
	#Fire-resistance .kozo .flex { display: block; }
	#Fire-resistance .kozo .box { width: 100%; margin-bottom: 40px; }
	#Fire-resistance .lead_box .lead_box_inner { padding: 20px; }
	#Fire-resistance .lead_box .txt_wrap { width: 100%; }
	#Earthquake-resistant .bf .contents_flex { grid-template-columns: 1fr; margin-bottom: 40px; padding-bottom: 40px; gap: 15px; }
  #Earthquake-resistant .bf .contents_flex .column picture { margin-top: 20px; }
	#Earthquake-resistant .bf .contents_flex > div { width: 100%; }
	#Earthquake-resistant .bf .sec03.contents_flex { gap: 20px; }
	#Earthquake-resistant .bf .sec03.contents_flex picture { margin-bottom: 0; }
	#Earthquake-resistant .bf .sec04 .contents_flex { gap: 20px; margin-bottom: 10px; }
	#Earthquake-resistant .bf .sec04 .bf_sec04_img { margin-bottom: 10px; }
	#Fire-resistance .contents_flex { flex-direction: column; }
	#Fire-resistance .lead_box .contents_flex { margin-bottom: 40px; padding-bottom: 40px; }
	#Fire-resistance .contents_flex > div:first-of-type { width: 100%; }
	#Fire-resistance .contents_flex .txt_wrap { width: 100%; }
	#Fire-resistance .lead_box .lead_box_inner .sec01.contents_flex { flex-direction: column-reverse; margin-bottom: 0; padding-bottom: 0; }
	#Fire-resistance .sec02 .head_border { padding: 15px; margin-bottom: 30px; }
	#Fire-resistance .sec02 .contents_flex { flex-direction: column; }
	#Fire-resistance .sansyutu { padding: 20px; }
	#Fire-resistance .sansyutu .sansyutu_flex { grid-template-columns: 1fr; gap: 15px; margin-bottom: 15px; }
	#Fire-resistance .sansyutu p.annotation { margin-top: 15px; }
	#Fire-resistance .sec03 .fireresistance_sec03_img01 { width: 100%; }
	.contents_whitebox_wrapper { padding: 40px 0 0; margin-bottom: 40px; }
	.contents_whitebox_wrapper .ttl { margin-bottom: 40px; }
	.contents_whitebox { padding: 20px; }
	#Fire-resistance #Durability .lead_ttl { margin-bottom: 0; }
	#Durability .ls30 { padding: 40px 0; }
	#Durability .yane { margin-bottom: 40px; }
	#Durability .contents_inner_flex { display: block; }
	.contens_ttl_flex img { width: 24%; }
	#Thermal .intro_flex { margin-bottom: 50px; }
	#Thermal picture.thermal_main_ttl { margin-bottom: 40px; }
	#Thermal .intro_flex { display: block; }
	#Thermal .intro_flex picture { margin: 20px auto 0; }
	#Thermal .sec { margin-bottom: 40px; }
	#Thermal .sec.sec01 { margin-bottom: 40px; padding-bottom: 15px; }
	#Thermal .sec_inner { padding: 20px; }
	#Thermal .sec_ttl { margin-bottom: 15px; }
	#Thermal .sec_ttl p.num { width: 35px; height: 35px; }
	#Thermal .sec_ttl p.ttl { padding-left: 10px; }
	#Thermal .sec picture.thermal_sec03_img01 { margin-bottom: 20px; }
	#Thermal .sec04 .sec04_ttl { margin-bottom: 0; }
	#Thermal .sec04 .features { display: block; }
	#Thermal .sec04 .features_box { width: 100%; padding: 10px 0; box-sizing: border-box; }
	#Thermal .sec04 .features_box:not(:last-child)::after { width: 100%; background-repeat: repeat-x; background-size: 12px 9px; right: 0; top: initial; bottom: -100%; }
	#Thermal .bg_color { margin-bottom: 40px; padding: 20px 5% 40px; }
	#Thermal .sec04 .txt20 { margin-bottom: 20px; }
	#Thermal picture.thermal_sec_ttl { margin-bottom: 30px; }
	#Thermal .contents { margin-bottom: 60px; }
	#Fire-resistance #Years60 .contents { padding-bottom: 60px; }
	#Years60 .contents_whitebox { margin-bottom: 50px; }
	#Years60 p.af_txt01 { margin-bottom: 15px; }
	#Years60 .years60_af { margin: 25px 0; }
	#Years60 .years60_hosyo_img { margin: 20px 0; }
	#Years60 .after_service_img { max-width: 160px; }
	#Years60 .contents_whitebox_wrapper { margin-bottom: 60px; }
}