@charset "utf-8";

/* ============================================
   結プラチナ YUI Platinum  page-yui.php
   Mobile First
   ============================================ */

/* ===== Base ===== */
.yui {
  font-family: "Noto Serif JP", "游明朝体", "Yu Mincho", YuMincho, "ヒラギノ明朝 Pro", "Hiragino Mincho Pro", serif;
  color: #2f2f2d;
  font-weight: 400;
  line-height: 1.9;
  letter-spacing: 0.04em;
  background: #f2f2f0;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  max-width: 825px;
  margin: auto;
}

.yui *,
.yui *::before,
.yui *::after {
  box-sizing: border-box;
}

.yui img {
  max-width: 100%;
  height: auto;
  display: block;
}

.yui-inner {
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
}

.yui-h2 {
  font-family: "Noto Serif JP", "游明朝体", "Yu Mincho", YuMincho, serif;
  font-weight: 500;
  font-size: 18px;
  line-height: 1.9;
  margin: 0 0 18px;
}

.yui-h2--center {
  text-align: center;
}

.yui-divider {
  display: block;
  width: 36px;
  height: 1px;
  background: #9c9c97;
  margin: 18px 0 22px;
}

/* fade in animation */
.yui .fade {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 1.6s ease, transform 1.6s ease;
}

.yui .fade.show {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Hero ===== */
.yui-hero {
  position: relative;
  width: 100%;
  height: 540px;
  overflow: hidden;
  background: linear-gradient(145deg, #d7d7d3, #f4f4f2 60%, #dedeb9 100%);
}

.yui-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.yui-hero__bg picture,
.yui-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.yui-hero__light {
  position: absolute;
  inset: -10%;
  z-index: 2;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.55) 8%, rgba(255, 255, 255, 0.05) 36%, rgba(0, 0, 0, 0.05) 100%);
  pointer-events: none;
  animation: yuiLightFlow 12s ease-in-out infinite;
  mix-blend-mode: screen;
}

@keyframes yuiLightFlow {

  0%,
  100% {
    opacity: 0.6;
    transform: translateX(0);
  }

  50% {
    opacity: 0.95;
    transform: translateX(12px);
  }
}

.yui-hero__inner {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: 825px;
  margin: 0 auto;
  padding: 60px 28px 0;
  height: 100%;
}

.yui-hero__head {
  text-align: center;
  width: fit-content;
  margin: 0 auto;
}

.yui-hero__lead {
  font-size: clamp(12px, 4vw, 16px);
  letter-spacing: 0.12em;
  color: #5a5a55;
  margin: 0 0 16px;
}

.yui-hero__ttl {
  font-family: "Noto Serif JP", serif;
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: #2f2f2d;
  margin: 0 0 10px;
  line-height: 1.4;
}

.yui-hero__en {
  font-family: "Noto Serif JP", serif;
  font-size: 16px;
  font-weight: 600;
  text-transform: uppercase;
  margin: 0;
}

.yui-hero__copy {
  margin-top: 70px;
  text-align: left;
  position: absolute;
  left: 20px;
  bottom: 20px;
}

.yui-hero__copy-main {
  font-size: 15px;
  letter-spacing: 0.12em;
  text-align: left;
  margin: 0 0 18px;
}

.yui-hero__copy-sub {
  font-size: 13px;
  line-height: 2;
  letter-spacing: 0.08em;
  text-align: left;
  padding-left: 0;
  margin: 0;
}

/* ===== Intro ===== */
.yui-intro {
  padding: 45px 0 0px;
}

.yui-intro__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

.yui-intro__text {
  padding-top: 6px;
}

.yui-intro__sub {
  font-size: 13px;
  font-size: 3.4vw;
  color: #4f4f4b;
  margin: 14px 0 0;
}

.yui-intro__body {
  font-size: 3.2vw;
  line-height: 2;
  color: #4f4f4b;
  margin: 0;
}

/* ===== Features (Venn) ===== */
.yui-features {
  padding: 70px 0;
}

.yui-features__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
}

.yui-features__text {
  text-align: center;
}

.yui-features__text .yui-h2 {
  margin-bottom: 16px;
}

.yui-features__sub {
  font-size: 13px;
  color: #6b6b66;
  margin: 0;
  letter-spacing: 0.08em;
}

.yui-features__img {
  text-align: center;
}

.yui-features__img img {
  max-width: 320px;
  margin: 0 auto;
}

/* ===== Points (3 features) ===== */
.yui-point {
  padding: 50px 0;
  background: #ECECEA;
}

.yui-point__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: center;
}

.yui-point__img {
  order: 1;
}

.yui-point__img img {
  width: 86%;
  margin: 10px auto 0;
}

.yui-point__ttl {
  font-family: "Noto Serif JP", serif;
  font-weight: 600;
  font-size: 18px;
  margin: 0 0 22px;
  display: flex;
  align-items: baseline;
}

.yui-point__no {
  font-size: 15px;
}

.yui-point__bar {
  font-weight: 300;
}

.yui-point__text p {
  font-size: 3.2vw;
  line-height: 2;
  margin: 0 0 14px;
}

.yui-point__text p:last-child {
  margin-bottom: 0;
}

/* ===== Naming ===== */
.yui-naming {
  padding: 70px 0 60px;
}

/* SP: grid-template-areas で title -> text-a -> image -> text-b の順に並べる */
.yui-naming__grid {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-areas:
    "title"
    "texta"
    "image"
    "textb";
  row-gap: 24px;
  align-items: start;
}

.yui-naming__ttl {
  grid-area: title;
  text-align: center;
  margin-bottom: 6px;
  font-weight: 600;
}

.yui-naming__text--a {
  grid-area: texta;
}

.yui-naming__img {
  grid-area: image;
}

.yui-naming__img img {
  width: 100%;
}

.yui-naming__text--b {
  grid-area: textb;
}

.yui-naming__text p {
  font-size: 13px;
  font-size: 3.2vw;
  line-height: 2;
  margin: 0 0 22px;
}

.yui-naming__text p:last-child {
  margin-bottom: 0;
}

.yui-naming__close {
  display: inline-block;
  margin-top: 10px;
  font-weight: 600;
}

/* ===== Craft ===== */
.yui-craft {
  padding: 50px 0 70px;
}

.yui-craft__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: center;
}

.yui-craft__text {
  order: 1;
}

.yui-craft__text p {
  font-size: 3.2vw;
  line-height: 2;
  margin: 0;
}

.yui-craft__img img {
  width: 100%;
}

/* ===== Quality (image bg) ===== */
.yui-quality {
  position: relative;
  padding: 50px 0 0;
}

.yui-quality__bg {
  position: relative;
  width: calc(100% - 40px);
  max-width: 880px;
  margin: 0 auto;
  height: auto;
  min-height: 420px;
  overflow: hidden;
}

.yui-quality__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.yui-quality__inner {
  position: absolute;
  top: 110px;
  margin: 0;
  left: 15px;
  width: fit-content;
  max-width: 100%;
  padding: 0px 20px;
  text-align: left;
}

.yui-quality__inner .yui-h2 {
  margin-bottom: 22px;
  font-weight: 600;
}

.yui-quality__inner p {
  font-size: 12px;
  line-height: 2;
  margin: 0;
  letter-spacing: 0;
  font-weight: 600;
}

/* ===== CTA ===== */
.yui-cta {
  padding: 10px 0 90px;
}

.yui-cta .yui-h2 {
  text-align: left;
  margin-bottom: 40px;
}

.yui-cta__lead {
  font-size: 13px;
  margin: 0 0 60px;
  letter-spacing: 0;
}

.yui-cta__btn {
  display: inline-block;
  min-width: 240px;
  padding: 18px 24px;
  border: 1px solid #c5c5c0;
  text-decoration: none;
  letter-spacing: 0.12em;
  text-align: center;
  margin: auto;
  display: block;
  width: fit-content;
}

.yui-cta__btn:hover {
  background: rgba(255, 255, 255, 0.85);
  color: #2f2f2d;
  border-color: #9c9c97;
}

.yui-cta__btn-jp {
  display: block;
  font-size: 12px;
  margin-bottom: 4px;
}

.yui-cta__btn-en {
  display: block;
  font-size: 9px;
  letter-spacing: 0.22em;
  color: #888;
}


/* ============================================
   Tablet ( >= 769px )
   ============================================ */
@media only screen and (min-width: 769px) {

  .yui {
    line-height: 2;
    margin-bottom: 100px;
  }

  .yui-inner {
    max-width: 825px;
    padding: 0 32px;
  }

  .yui-h2 {
    font-size: 22px;
    letter-spacing: 0.08em;
    margin-bottom: 20px;
  }

  /* Hero */
  .yui-hero {
    height: 640px;
  }

  .yui-hero__inner {
    padding: 80px 32px 0;
  }

  .yui-hero__head {
    margin: 0 auto;
  }

  .yui-hero__lead {
    font-size: 13px;
    margin-bottom: 18px;
  }

  .yui-hero__ttl {
    font-size: 30px;
    letter-spacing: 0.14em;
  }

  .yui-hero__en {
    font-size: 12px;
    letter-spacing: 0.26em;
  }

  .yui-hero__copy {
    margin-top: 76px;
    margin-left: 0;
    text-align: left;
  }

  .yui-hero__copy-main {
    font-size: 15px;
    text-align: center;
    margin-bottom: 20px;
  }

  .yui-hero__copy-sub {
    font-size: 13px;
    text-align: center;
    padding-left: 0;
    line-height: 2.1;
  }

  /* Intro */
  .yui-intro {
    padding: 90px 0 80px;
  }

  .yui-intro__grid {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }

  .yui-intro__sub {
    font-size: 14px;
  }

  .yui-intro__body {
    font-size: 13px;
    line-height: 2.1;
  }

  /* Features (Venn) */
  .yui-features {
    padding: 90px 0;
  }

  .yui-features__grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .yui-features__img img {
    max-width: 400px;
  }

  /* Point */
  .yui-point {
    padding: 44px 0;
  }

  .yui-point__grid {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }

  /* PCでは画像を左・テキストを右に戻す（SPはorder:1で画像が下） */
  .yui-point__img {
    order: 0;
  }

  .yui-point__img img {
    width: 100%;
    margin: 0;
  }

  .yui-point__ttl {
    font-size: 19px;
  }

  .yui-point__no {
    font-size: 16px;
  }

  .yui-point__text p {
    font-size: 13px;
    line-height: 2.1;
  }

  /* Naming */
  .yui-naming {
    padding: 90px 0 80px;
  }

  /* PC: 左カラム = title + image / 右カラム = text-a + text-b */
  .yui-naming__grid {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "title texta"
      "image texta"
      "image textb";
    column-gap: 48px;
    row-gap: 0;
    align-items: start;
  }

  .yui-naming__ttl {
    text-align: center;
    margin-bottom: 36px;
    align-self: center;
  }

  .yui-naming__text p {
    font-size: 13px;
    line-height: 2.2;
  }

  .yui-naming__text--a {
    margin-bottom: 22px;
  }

  .yui-naming__img {
    margin-top: 150px;
  }

  /* Craft */
  .yui-craft {
    padding: 70px 0 90px;
  }

  .yui-craft__grid {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }

  .yui-craft__text p {
    font-size: 13px;
    line-height: 2.1;
  }

  /* Quality */
  .yui-quality {
    padding: 70px 0;
  }

  .yui-quality__bg {
    width: calc(100% - 80px);
    height: auto;
    max-width: 495px;
  }

  .yui-quality__inner {
    top: 190px;
    left: 220px;
    margin: 0;
    padding: 0;
  }

  .yui-quality__inner p {
    font-size: 13px;
    line-height: 2.1;
  }

  /* CTA */
  .yui-cta {
    padding: 60px 0 110px;
  }

  .yui-cta .yui-h2 {
    width: fit-content;
    margin: auto;
  }

  .yui-cta__lead {
    font-size: 13px;
    margin-bottom: 40px;
    width: fit-content;
    margin: 32px auto 48px;
  }

  .yui-cta__btn {
    min-width: 280px;
    padding: 22px 36px;
  }

  .yui-cta__btn-jp {
    font-size: 13px;
  }

  .yui-cta__btn-en {
    font-size: 10px;
  }
}


/* ============================================
   PC ( >= 1025px ) — refinements
   ============================================ */
@media only screen and (min-width: 1025px) {

  .yui-inner {}

  .yui-h2 {
    font-size: 20px;
  }

  /* Hero */
  .yui-hero {
    height: 500px;
    max-width: 825px;
    margin: auto;
  }

  .yui-hero__inner {
    padding: 90px 40px 0;
  }

  .yui-hero__head {
    margin: 0 auto 0 60px;
  }

  .yui-hero__lead {
    font-size: 14px;
  }

  .yui-hero__ttl {
    font-size: 34px;
    letter-spacing: 0.16em;
  }

  .yui-hero__en {
    font-size: 13px;
    letter-spacing: 0.28em;
  }

  .yui-hero__copy {
    margin-top: 80px;
    margin-left: 90px;
    text-align: left;
  }

  .yui-hero__copy-main {
    font-size: 16px;
    text-align: left;
  }

  .yui-hero__copy-sub {
    font-size: 13px;
    text-align: left;
    padding-left: 18px;
    line-height: 2.2;
  }

  /* Intro */
  .yui-intro {
    padding: 110px 0 0px;
  }

  .yui-intro__grid {
    gap: 37px;
  }

  /* Features */
  .yui-features {
    padding: 100px 0;
  }

  .yui-features__grid {
    gap: 40px;
  }

  .yui-features__img img {
    max-width: 440px;
  }

  /* Point */
  .yui-point {
    padding: 0px 0 50px;
  }

  .yui-point__grid {
    gap: 37px;
  }

  /* Naming */
  .yui-naming {
    padding: 110px 0 80px;
  }

  .yui-naming__grid {
    column-gap: 60px;
    row-gap: 0;
  }

  .yui-naming__ttl {
    margin-bottom: 0px;
    margin-top: 47px;
  }

  /* Craft */
  .yui-craft {
    padding: 0px 0 0px;
  }

  .yui-craft__grid {
    gap: 37px;
  }

  .yui-craft__text {
    order: 0;
  }

  /* Quality */
  .yui-quality {
    padding: 80px 0;
  }

  .yui-quality__bg {
    height: 360px;
  }

  .yui-quality__inner {}

  /* CTA */
  .yui-cta {
    padding: 0px 0 120px;
  }

  .yui-cta .yui-h2 {
    width: fit-content;
    margin: auto;
  }
}