.esion-salon {
    --esion-navy: #002677;
    --esion-black: #111111;
    --esion-gray: #707070;
    --esion-line: #d9d9d9;
    --esion-mist: #f4f5f7;
    --esion-white: #ffffff;
    width: 100%;
    overflow: hidden;
    color: var(--esion-black);
    background: var(--esion-white);
    font-family: "Noto Serif JP";
    font-weight: 400;
    line-height: 1.9;
    letter-spacing: .055em;
    -webkit-font-smoothing: antialiased;
  }

  .esion-salon,
  .esion-salon * { box-sizing: border-box; }
  .esion-salon img { display: block; max-width: 100%; }
  .esion-salon a { color: inherit; text-decoration: none; }
  .esion-salon h1,
  .esion-salon h2,
  .esion-salon h3,
  .esion-salon p { margin-top: 0; }
  .esion-salon__wrap { width: min(1160px, calc(100% - 48px)); margin: 0 auto; }

  .esion-salon__hero {
    display: grid;
    grid-template-columns: 1.08fr .92fr;
    min-height: 680px;
    background: var(--esion-white);
  }

  .esion-salon__hero-copy {
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 100px clamp(40px, 6vw, 90px);
    color: var(--esion-white);
    background: var(--esion-navy);
    position: relative;
    overflow: hidden;
  }

  .esion-salon__hero-copy::before,
  .esion-salon__hero-copy::after {
    content: "";
    position: absolute;
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 50%;
  }

  .esion-salon__hero-copy::before {
    width: 440px;
    height: 440px;
    top: -270px;
    right: -210px;
  }

  .esion-salon__hero-copy::after {
    width: 250px;
    height: 250px;
    bottom: -155px;
    left: -130px;
  }

  .esion-salon__eyebrow {
    margin-bottom: 32px;
    font-size: 10px;
    letter-spacing: .34em;
    text-transform: uppercase;
    position: relative;
    z-index: 1;
  }

  .esion-salon__hero h1 {
    margin-bottom: 28px;
    font-family: "Hina Mincho";
    font-size: clamp(32px, 3vw, 46px);
    font-weight: 400;
    line-height: 1.4;
    letter-spacing: .09em;
    position: relative;
    z-index: 1;
  }

  .esion-salon__hero h1 span {
    display: block;
    white-space: nowrap;
  }

  .esion-salon__hero-lead {
    max-width: 590px;
    margin-bottom: 38px;
    color: rgba(255,255,255,.78);
    font-size: 13px;
    position: relative;
    z-index: 1;
  }

  .esion-salon__hero-visual {
    min-width: 0;
    display: grid;
    place-items: center;
    padding: 70px 40px;
    background: var(--esion-mist);
    position: relative;
  }

  .esion-salon__hero-visual::before {
    content: "";
    width: min(70%, 450px);
    aspect-ratio: 1;
    border: 1px solid var(--esion-line);
    border-radius: 50%;
    position: absolute;
  }

  .esion-salon__bottle {
    width: min(86%, 560px);
    height: auto;
    position: relative;
    z-index: 1;
  }

  .esion-salon__button {
    min-height: 60px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    width: fit-content;
    min-width: 280px;
    padding: 14px 28px;
    color: var(--esion-navy) !important;
    -webkit-text-fill-color: var(--esion-navy);
    background: var(--esion-white) !important;
    border: 1px solid var(--esion-white);
    font-size: 13px;
    letter-spacing: .13em;
    transition: color .25s ease, background-color .25s ease;
    position: relative;
    z-index: 1;
  }

  .esion-salon__button::after { content: "→"; font-size: 16px; }
  .esion-salon__button:hover {
    color: var(--esion-navy) !important;
    -webkit-text-fill-color: var(--esion-navy);
    background: var(--esion-white) !important;
    opacity: .86;
  }
  .esion-salon__button--navy { color: var(--esion-white); background: var(--esion-navy); border-color: var(--esion-navy); }
  .esion-salon__button--navy:hover { color: var(--esion-navy); background: var(--esion-white); }

  .esion-salon__section { padding: 130px 0; }
  .esion-salon__section--gray { background: var(--esion-mist); }
  .esion-salon__section--navy { color: var(--esion-white); background: var(--esion-navy); }
  .esion-salon__section-head { max-width: 800px; margin-bottom: 68px; }
  .esion-salon__section-head--compact { margin-bottom: 0; }

  .esion-salon__kicker {
    display: block;
    margin-bottom: 22px;
    color: var(--esion-navy);
    font-size: 10px;
    letter-spacing: .34em;
    text-transform: uppercase;
  }

  .esion-salon__section--navy .esion-salon__kicker { color: var(--esion-white); opacity: .68; }

  .esion-salon__title {
    margin-bottom: 24px;
    font-family: "Hina Mincho";
    font-size: clamp(31px, 4.2vw, 51px);
    font-weight: 400;
    line-height: 1.5;
    letter-spacing: .08em;
  }

  .esion-salon__lead { margin-bottom: 0; color: var(--esion-gray); font-size: 14px; }
  .esion-salon__section--navy .esion-salon__lead { color: rgba(255,255,255,.75); }

  .esion-salon__benefits {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--esion-line);
    border: 1px solid var(--esion-line);
  }

  .esion-salon__benefit {
    min-height: 315px;
    padding: 46px 36px;
    background: var(--esion-white);
  }

  .esion-salon__number { display: block; margin-bottom: 46px; color: var(--esion-navy); font-size: 10px; letter-spacing: .2em; }
  .esion-salon__benefit h3 { margin-bottom: 17px; font-family: "Hina Mincho"; font-size: 25px; font-weight: 400; line-height: 1.55; }
  .esion-salon__benefit p { margin-bottom: 0; color: var(--esion-gray); font-size: 12px; }

  .esion-salon__product-grid {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 100px;
    align-items: center;
  }

  .esion-salon__product-visual {
    min-height: 590px;
    display: grid;
    place-items: center;
    background: var(--esion-mist);
    position: relative;
    overflow: hidden;
  }

  .esion-salon__product-visual::before {
    content: "";
    width: 360px;
    height: 360px;
    border: 1px solid var(--esion-line);
    border-radius: 50%;
    position: absolute;
  }

  .esion-salon__product-visual .esion-salon__bottle { width: min(82%, 470px); }
  .esion-salon__product-copy .esion-salon__section-head { margin-bottom: 42px; }
  .esion-salon__features { border-top: 1px solid var(--esion-line); }

  .esion-salon__feature {
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: 20px;
    padding: 24px 0;
    border-bottom: 1px solid var(--esion-line);
  }

  .esion-salon__feature-no { color: var(--esion-navy); font-size: 11px; }
  .esion-salon__feature strong { display: block; margin-bottom: 7px; font-size: 15px; font-weight: 600; }
  .esion-salon__feature p { margin-bottom: 0; color: var(--esion-gray); font-size: 12px; }
  .esion-salon__feature-note { display: block; margin-top: 9px; font-size: 10px; line-height: 1.8; }
  .esion-salon__product-note { margin: 24px 0 0; color: var(--esion-gray); font-size: 10px; }

  .esion-salon__voice-card {
    border: 1px solid var(--esion-line);
    background: var(--esion-white);
  }

  .esion-salon__voice-heading {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    padding: 48px 54px 52px;
    color: var(--esion-white);
    background: var(--esion-navy);
  }

  .esion-salon__voice-heading .esion-salon__kicker {
    margin-bottom: 0;
    color: var(--esion-white);
    opacity: .68;
  }

  .esion-salon__voice-heading h2 {
    margin-bottom: 0;
    font-family: "Hina Mincho";
    font-size: clamp(30px, 3vw, 40px);
    font-weight: 400;
    line-height: 1.55;
    letter-spacing: .075em;
  }

  .esion-salon__voice-body {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
  }

  .esion-salon__voice-photo {
    min-height: 720px;
    background: #fff;
    overflow: hidden;
  }

  .esion-salon__voice-photo img {
    width: 100%;
    height: 100%;
    min-height: 720px;
    object-fit: cover;
    object-position: center 18%;
  }

  .esion-salon__voice-column { padding: 52px 54px 48px; }
  .esion-salon__voice-text { color: var(--esion-gray); font-size: 13px; }
  .esion-salon__voice-text p { margin-bottom: 22px; }
  .esion-salon__voice-text p:last-child { margin-bottom: 0; }

  .esion-salon__voice-emphasis {
    margin: 30px 0;
    padding: 24px 26px;
    color: var(--esion-navy);
    background: var(--esion-mist);
    border-left: 3px solid var(--esion-navy);
    font-family: "Hina Mincho";
    font-size: 23px;
    line-height: 1.7;
  }

  .esion-salon__voice-profile {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--esion-line);
    text-align: right;
  }

  .esion-salon__voice-profile span { display: block; color: var(--esion-gray); font-size: 11px; }
  .esion-salon__voice-profile strong { display: block; margin-top: 5px; font-size: 14px; font-weight: 600; }

  .esion-salon__section-head--rules { max-width: none; }
  .esion-salon__rules-title { white-space: nowrap; }
  .esion-salon__rules-contact { margin-top: 14px; color: var(--esion-navy); }

  .esion-salon__model-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: start; }
  .esion-salon__model-note { padding-left: 42px; border-left: 1px solid rgba(255,255,255,.28); }
  .esion-salon__model-note h3 { margin-bottom: 18px; font-family: "Hina Mincho"; font-size: 27px; font-weight: 400; }
  .esion-salon__model-note p { margin-bottom: 0; color: rgba(255,255,255,.74); font-size: 13px; }

  .esion-salon__model-flow {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    margin-top: 58px;
    border: 1px solid rgba(255,255,255,.33);
  }

  .esion-salon__model-unit { min-height: 150px; padding: 34px 28px; }
  .esion-salon__model-unit + .esion-salon__model-unit { border-left: 1px solid rgba(255,255,255,.33); }
  .esion-salon__model-unit span { display: block; margin-bottom: 12px; font-size: 10px; letter-spacing: .22em; opacity: .62; }
  .esion-salon__model-prefix { margin: 0 0 4px; font-size: 12px; }
  .esion-salon__model-unit strong { font-size: 14px; font-weight: 500; }

  .esion-salon__steps { counter-reset: salon-step; border-top: 1px solid var(--esion-line); }

  .esion-salon__step {
    counter-increment: salon-step;
    display: grid;
    grid-template-columns: 115px 260px 1fr;
    gap: 30px;
    align-items: start;
    padding: 38px 0;
    border-bottom: 1px solid var(--esion-line);
  }

  .esion-salon__step::before { content: "0" counter(salon-step); color: var(--esion-navy); font-size: 12px; letter-spacing: .18em; }
  .esion-salon__step h3 { margin-bottom: 0; font-size: 16px; font-weight: 600; }
  .esion-salon__step p { margin-bottom: 0; color: var(--esion-gray); font-size: 12px; }

  .esion-salon__check-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .esion-salon__check-card { padding: 46px 42px; background: var(--esion-white); border-top: 3px solid var(--esion-navy); }
  .esion-salon__check-card h3 { margin-bottom: 24px; font-family: "Hina Mincho"; font-size: 26px; font-weight: 400; }
  .esion-salon__check-card ul { margin: 0; padding: 0; list-style: none; }
  .esion-salon__check-card li { position: relative; margin: 11px 0; padding-left: 24px; font-size: 12px; }
  .esion-salon__check-card li::before { content: "—"; position: absolute; left: 0; color: var(--esion-navy); }

  .esion-salon__faq { border-top: 1px solid var(--esion-line); }
  .esion-salon__faq details { border-bottom: 1px solid var(--esion-line); }
  .esion-salon__faq summary {
    padding: 28px 48px 28px 0;
    cursor: pointer;
    list-style: none;
    position: relative;
    font-size: 14px;
    font-weight: 500;
  }
  .esion-salon__faq summary::-webkit-details-marker { display: none; }
  .esion-salon__faq summary::after { content: "+"; position: absolute; right: 5px; top: 25px; color: var(--esion-navy); font-size: 22px; }
  .esion-salon__faq details[open] summary::after { content: "−"; }
  .esion-salon__answer { padding: 0 60px 30px 0; color: var(--esion-gray); font-size: 12px; }
  .esion-salon__answer p { margin: 0 0 16px; }
  .esion-salon__answer p:last-child { margin-bottom: 0; }
  .esion-salon__answer strong { display: block; margin-bottom: 4px; color: var(--esion-navy); font-weight: 600; }

  .esion-salon__contact { padding: 0 0 130px; }
  .esion-salon__contact-panel { padding: 86px 70px; color: var(--esion-white); text-align: center; background: var(--esion-navy); }
  .esion-salon__contact-panel .esion-salon__kicker { color: var(--esion-white); opacity: .68; }
  .esion-salon__contact-panel h2 { margin-bottom: 20px; font-family: "Hina Mincho"; font-size: clamp(31px, 4vw, 49px); font-weight: 400; }
  .esion-salon__contact-panel p { max-width: 690px; margin: 0 auto 36px; color: rgba(255,255,255,.76); font-size: 13px; }
  .esion-salon__contact-panel .esion-salon__button { margin: 0 auto; }
  .esion-salon__contact-note { margin-top: 22px !important; margin-bottom: 0 !important; font-size: 10px !important; }
  .esion-salon__text-link { color: var(--esion-navy) !important; text-decoration: underline !important; text-underline-offset: 3px; }
  .esion-salon__contact-panel .esion-salon__text-link { color: var(--esion-white) !important; }

  @media (max-width: 900px) {
    .esion-salon__hero { grid-template-columns: 1fr; }
    .esion-salon__hero-copy { min-height: 570px; padding: 90px max(32px, calc((100vw - 720px) / 2)); }
    .esion-salon__hero-visual { min-height: 500px; }
    .esion-salon__benefits { grid-template-columns: 1fr; }
    .esion-salon__benefit { min-height: auto; }
    .esion-salon__product-grid,
    .esion-salon__model-grid { grid-template-columns: 1fr; }
    .esion-salon__product-grid { gap: 60px; }
    .esion-salon__voice-heading { gap: 18px; padding: 46px; }
    .esion-salon__voice-heading .esion-salon__kicker { margin-bottom: 0; }
    .esion-salon__voice-body { grid-template-columns: 1fr; }
    .esion-salon__voice-photo,
    .esion-salon__voice-photo img { min-height: 380px; }
    .esion-salon__model-note { padding: 38px 0 0; border-left: 0; border-top: 1px solid rgba(255,255,255,.28); }
    .esion-salon__step { grid-template-columns: 70px 190px 1fr; }
  }

  @media (max-width: 640px) {
    .esion-salon__wrap { width: calc(100% - 28px); }
    .esion-salon__hero-copy { min-height: 520px; padding: 74px 24px 82px; }
    .esion-salon__hero h1 { font-size: clamp(22px, 6.4vw, 32px); letter-spacing: .01em; }
    .esion-salon__hero-visual { min-height: 410px; padding: 40px 20px; }
    .esion-salon__hero-visual::before { width: 270px; }
    .esion-salon__button { width: 100%; min-width: 0; }
    .esion-salon__section { padding: 90px 0; }
    .esion-salon__section-head { margin-bottom: 48px; }
    .esion-salon__title { font-size: 33px; }
    .esion-salon__benefit { padding: 40px 28px; }
    .esion-salon__number { margin-bottom: 30px; }
    .esion-salon__product-visual { min-height: 410px; }
    .esion-salon__product-visual::before { width: 270px; height: 270px; }
    .esion-salon__voice-heading { padding: 40px 28px 42px; }
    .esion-salon__voice-heading h2 { font-size: 29px; }
    .esion-salon__voice-photo,
    .esion-salon__voice-photo img { min-height: 300px; }
    .esion-salon__voice-column { padding: 40px 28px 38px; }
    .esion-salon__voice-emphasis { font-size: 22px; }
    .esion-salon__rules-title { white-space: normal; }
    .esion-salon__model-flow { grid-template-columns: 1fr; }
    .esion-salon__model-unit { min-height: auto; }
    .esion-salon__model-unit + .esion-salon__model-unit { border-left: 0; border-top: 1px solid rgba(255,255,255,.33); }
    .esion-salon__step { grid-template-columns: 48px 1fr; gap: 12px 16px; }
    .esion-salon__step p { grid-column: 2; }
    .esion-salon__check-grid { grid-template-columns: 1fr; }
    .esion-salon__check-card { padding: 40px 28px; }
    .esion-salon__rule { min-height: auto; }
    .esion-salon__contact { padding-bottom: 90px; }
    .esion-salon__contact-panel { padding: 64px 24px; }
  }